Adagio Medical Holdings, INC Schedule 13G passive stakes

Sio Capital Management, LLC has reported a 3.15% ownership stake in Adagio Medical Holdings, Inc. as of June 30, 2026.

Perceptive Advisors and Joseph Edelman have filed an amendment reporting a 55.4% beneficial ownership stake in Adagio Medical Holdings, Inc.

Adage Capital Management, L.P. and its affiliates have increased their beneficial ownership of Adagio Medical Holdings, Inc. common stock to 5.67%.

Sio Capital Management, LLC has reported a 6.08% beneficial ownership stake in Adagio Medical Holdings, Inc. as of December 31, 2025.

Adage Capital Management, L.P. and its principals reported a 6.88% beneficial ownership stake in Adagio Medical Holdings, Inc. as of September 30, 2025.

RA Capital Management, L.P. and its affiliates filed an amended Schedule 13G to correct a clerical error, reporting a 7.2% beneficial ownership stake in Adagio Medical Holdings, Inc. as of June 30, 2025.

RA Capital Management and its affiliates have fully divested their beneficial ownership in Adagio Medical Holdings, Inc., reducing their stake to 0.0%.

Adage Capital Management, L.P. and its principals have disclosed a 5.34% beneficial ownership stake in Adagio Medical Holdings, Inc.

RA Capital Management, L.P. and its affiliates have filed an amended Schedule 13G, reporting a continued beneficial ownership of 7.2% of Adagio Medical Holdings, Inc.'s common stock as of March 31, 2025.

RA Capital Management and its affiliates have filed an amended Schedule 13G, confirming their beneficial ownership of 9.9% of Adagio Medical Holdings, Inc.'s common stock as of December 31, 2024.

Perceptive Advisors LLC and its affiliates, including Joseph Edelman, have filed an amended Schedule 13G, disclosing beneficial ownership of 73.6% of Adagio Medical Holdings, Inc.'s common stock as of December 31, 2024.